Click on the third or sixth rank to set the en passant target square.

EGTB: win in 4 half-moves

# move score
1 Rb8 win in 3 half-moves
2 Rc8 win in 3 half-moves
3 Ka6 draw
4 Ka7 draw
5 Ka8 draw
6 Ra8 draw
7 Rg1 draw
8 Rg2 draw
9 Rg3 draw
10 Kb3 loss in 2 half-moves
11 Kb4 loss in 2 half-moves
12 Kb5 loss in 2 half-moves
13 Kb6 loss in 2 half-moves
14 Kb8 loss in 2 half-moves
15 Kc3 loss in 2 half-moves
16 Kc5 loss in 2 half-moves
17 Kc6 loss in 2 half-moves
18 Kc7 loss in 2 half-moves
19 Kc8 loss in 2 half-moves
20 Kd3 loss in 2 half-moves
21 Kd4 loss in 2 half-moves
22 Kd5 loss in 2 half-moves
23 Rd8 loss in 2 half-moves
24 Re8 loss in 2 half-moves
25 Rf8 loss in 2 half-moves
26 Rg4 loss in 2 half-moves
27 Rg5 loss in 2 half-moves
28 Rg6 loss in 2 half-moves
29 Rg7 loss in 2 half-moves
30 Rh8 loss in 2 half-moves